org.fabric3.admin.interpreter.command.CommandHelper Maven / Gradle / Ivy

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/*
 * Fabric3
 * Copyright ? 2008 Metaform Systems Limited
 *
 * This proprietary software may be used only connection with the Fabric3 license
 * (the ?License?), a copy of which is included in the software or may be
 * obtained at: http://www.metaformsystems.com/licenses/license.html.

 * Software distributed under the License is distributed on an ?as is? basis,
 * without warranties or conditions of any kind.  See the License for the
 * specific language governing permissions and limitations of use of the software.
 * This software is distributed in conjunction with other software licensed under
 * different terms.  See the separate licenses for those programs included in the
 * distribution for the permitted and restricted uses of such software.
 *
 */
package org.fabric3.admin.interpreter.command;

import java.net.URI;
import java.net.URL;
import java.io.PrintStream;

import org.fabric3.management.contribution.InvalidContributionException;
import org.fabric3.management.contribution.ErrorInfo;
import org.fabric3.management.contribution.ArtifactErrorInfo;

/**
 * @version $Revision$ $Date$
 */
public class CommandHelper {

    private CommandHelper() {
    }

    /**
     * Derives a contribution name from a URL by selecting the path part following the last '/'.
     *
     * @param contribution the contribution URL
     * @return the contribution name
     */
    public static URI parseContributionName(URL contribution) {
        String contributionName;
        String path = contribution.getPath();
        int pos = path.lastIndexOf('/');
        if (pos < 0) {
            contributionName = path;
        } else if (pos == path.length() - 1) {
            String substr = path.substring(0, pos);
            pos = substr.lastIndexOf('/');
            if (pos < 0) {
                contributionName = substr;
            } else {
                contributionName = path.substring(pos + 1, path.length() - 1);
            }
        } else {
            contributionName = path.substring(pos + 1);
        }
        return URI.create(contributionName);
    }

    public static void printErrors(PrintStream out, InvalidContributionException e) {
        for (ErrorInfo info : e.getErrors()) {
            if (info instanceof ArtifactErrorInfo) {
                ArtifactErrorInfo aei = (ArtifactErrorInfo) info;
                out.println("Errors in " + aei.getName() + " \n");
                for (ErrorInfo errorInfo : aei.getErrors()) {
                    out.println("  " + errorInfo.getError());
                }
            } else {
                out.println(info.getError());
            }
        }

    }
}